/**
 * @include DNS_1123_LABEL
 * @param value - the string to check
 * @returns true if the string is a valid DNS-1123 label
 */
export declare function isDns1123Label(value: string): boolean;
/**
 * @include DNS_1123_OBJECT
 * @param value - the string to check
 * @returns true if the string is a valid DNS-1123 object
 */
export declare function isDns1123Object(value: string): boolean;
/**
 * @include DNS_1123_RESOURCE
 * @param value - the string to check
 * @returns true if the string is a valid DNS-1123 resource
 */
export declare function isDns1123Resource(value: string): boolean;